Calculating the mean when adding or subtracting a constant A professor gives a statistics exam. The exam has 25 possible points. The scores for the students in the first classroom are as follows: 24 25 19 15 20 19 17 25 17 Calculate the sample size, n, and the sample mean, M. n

Simply 8x squared + 5(7x squared- x) - 2x =

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Using the figure below, select the two pairs of alternate interior angles. a: point 1 and point 4 b : point 2 and point 3 c: point 6 and point 6d: point 5 and point 7